445250523401 has 4 divisors (see below), whose sum is σ = 445425202500. Its totient is φ = 445075844304.

The previous prime is 445250523343. The next prime is 445250523427. The reversal of 445250523401 is 104325052544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214831323001 + 230419200400 = 463499^2 + 480020^2 .

It is a cyclic number.

It is not a de Polignac number, because 445250523401 - 2²⁶ = 445183414537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445250523451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87335726 + ... + 87340823.

It is an arithmetic number, because the mean of its divisors is an integer number (111356300625).

Almost surely, 2^445250523401 is an apocalyptic number.

It is an amenable number.

445250523401 is a deficient number, since it is larger than the sum of its proper divisors (174679099).

445250523401 is a wasteful number, since it uses less digits than its factorization.

445250523401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174679098.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 445250523401 its reverse (104325052544), we get a palindrome (549575575945).

The spelling of 445250523401 in words is "four hundred forty-five billion, two hundred fifty million, five hundred twenty-three thousand, four hundred one".